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Dow Suggests Clear Skies, But Bring An Umbrella

By

Tomi Kilgore

Updated Nov. 25, 2009 12:35 p.m. ET

Just because the sky is clear and the sun is shining now doesn't mean it won't rain later.

A new high in the Dow Jones Industrial Average is the market equivalent of looking out the window. While that's the truest way to assess what's happening right now, there's a reason meteorologists look at things like barometric pressure, wind patterns and Doppler radar. With the market's ability to extend, or even sustain its recent gains in doubt, it's better to wait for more than one signal before going out uncovered.